I would agree.
Twenty years ago I was on the verge of being obese. I then decided to permanently lose the weight. I’ve kept it off since then. Not to brag, but I am one of the very few who has succeeded in doing this. I would estimate that 95% of people who try to permanently lose weight ultimately fail at it.
On a couple occasions I have had coworkers ask me how to lose weight. I tell them what to do. Armed with this knowledge, they… fail. 
I have come to the conclusion that fat people are not fat due to ignorance. You can provide people information on how to lose weight, but it will be for naught. In other words, education won’t solve the problem.
The fundamental problem is mental in nature; obesity is basically a mental/psychological problem, not a physical one. And the problem is how they relate to food.
An obese person has a very primitive and juvenile relationship with food. They eat like a six year old. They derive immense pleasure from eating. So much so, that they couldn’t care less about the consequences. It is no different than someone addicted to nicotine or alcohol… they derive so much pleasure from it that they couldn’t care less about the consequences.
The very small percentage of people who have permanently lost weight learned that they must make a fundamental change in how they relate to food. Instead of having an emotional relationship with food, they learn to have an unemotional and scientific one.
I no longer feed my face out of pleasure; Whenever I go to a restaurant, for example, I pick foods based on calories, percent fat, percent protein, etc. Throughout the day I ask myself, “Approximately how much protein have I eaten? Approximately how many carbs have I eaten? How much fat have I eaten?” If I think I haven’t eaten enough of one of these, I will eat it.
So there you have it… I learned to no longer have an emotional craving for food. My “secret” is to look at food in an objective, cold, unemotional, scientific, and calculating way. And I’ve kept the weight off. Teaching someone to think like this is next to impossible.